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fix corner case in call binding (#3128)

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fixes #3127
This commit is contained in:
Alex Lam S.L
2018-05-10 06:16:35 +08:00
committed by GitHub
parent f83adcc995
commit 14e712ee80
3 changed files with 116 additions and 25 deletions
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85
test/compress/issue-973.js
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@@ -3,8 +3,9 @@ this_binding_conditionals: {
conditionals: true,
evaluate: true,
side_effects: true,
};
}
input: {
"use strict";
(1 && a)();
(0 || a)();
(0 || 1 && a)();
@@ -26,6 +27,7 @@ this_binding_conditionals: {
(1 ? eval : 0)();
}
expect: {
"use strict";
a();
a();
a();
@@ -53,13 +55,15 @@ this_binding_collapse_vars: {
collapse_vars: true,
toplevel: true,
unused: true,
};
}
input: {
"use strict";
var c = a; c();
var d = a.b; d();
var e = eval; e();
}
expect: {
"use strict";
a();
(0, a.b)();
(0, eval)();
@@ -69,31 +73,88 @@ this_binding_collapse_vars: {
this_binding_side_effects: {
options = {
side_effects : true
};
}
input: {
(function (foo) {
(function(foo) {
(0, foo)();
(0, foo.bar)();
(0, eval)('console.log(foo);');
(0, eval)("console.log(foo);");
}());
(function (foo) {
(function(foo) {
"use strict";
(0, foo)();
(0, foo.bar)();
(0, eval)("console.log(foo);");
}());
(function(foo) {
var eval = console;
(0, foo)();
(0, foo.bar)();
(0, eval)('console.log(foo);');
(0, eval)("console.log(foo);");
}());
}
expect: {
(function (foo) {
(function(foo) {
foo();
(0, foo.bar)();
(0, eval)('console.log(foo);');
eval("console.log(foo);");
}());
(function (foo) {
(function(foo) {
"use strict";
foo();
(0, foo.bar)();
(0, eval)("console.log(foo);");
}());
(function(foo) {
var eval = console;
foo();
(0, foo.bar)();
(0, eval)('console.log(foo);');
eval("console.log(foo);");
}());
}
}
}
this_binding_sequences: {
options = {
sequences: true,
side_effects: true,
}
input: {
console.log(typeof function() {
return eval("this");
}());
console.log(typeof function() {
"use strict";
return eval("this");
}());
console.log(typeof function() {
return (0, eval)("this");
}());
console.log(typeof function() {
"use strict";
return (0, eval)("this");
}());
}
expect: {
console.log(typeof function() {
return eval("this");
}()),
console.log(typeof function() {
"use strict";
return eval("this");
}()),
console.log(typeof function() {
return eval("this");
}()),
console.log(typeof function() {
"use strict";
return (0, eval)("this");
}());
}
expect_stdout: [
"object",
"undefined",
"object",
"object",
]
}